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Finding the Fourth Proportional to 341,337.74, 511,987.44 and 104,679.77

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Solution

The fourth proportional to 341,337.74, 511,987.44 and 104,679.77 is: 157,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,337.74 : 511,987.44 = 104,679.77 : x
  2. Step 2: Convert to fraction form
    341,337.74/511,987.44 = 104,679.77/x
  3. Step 3: Cross multiply
    341,337.74x = 511,987.44 × 104,679.77
  4. Step 4: Simplify right side
    341,337.74x = 53,594,727,462.09
  5. Step 5: Solve for x
    x = 53,594,727,462.09/341,337.74
  6. Step 6: Final answer
    x = 157,013.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.